Ideas for challenges

[server]

Please sorry, If any challenge is repeated


1) Run away from orbs and wait for it to disappear (dont use bubble and stealth)
Reward: 20 Coins, 200,000 UpgradePoints

2) Anxious ll
Block Helga's 'boom' attack 150 times by hiding behind a barrel in hand
Reward: 400,000 UpgradPoints, 1 SkillPoints

3) Place Collector and get 1,000 energy 100 times
Reward: Upgrade collectors as Engineer (+2 energy/kill)

4) Hit Bosses by Bash 1,000 times
Reward: 30 Coins, 300,000 UpgradePoints

5) Spend 5,000 seconds in ice
Reward: Freezing is out faster (It seems that this challenge is repeated, sorry, I also came up with this idea) 

6) Survive 20 Waves (1 Round) without freezing

7) Complete '(6)'. Kill 20,000 Zombies a row without freezing

8) Terminator
Kill 20,000 Zombies using Minigun
Reward: 30 Coins, 400,000 UpgradePoints

9) Knife Master
Kill 1,000 Zombies a row using only throwing Knife
Reward: 30 Coins, 300,000 UpgradePoints

10) Survive 20 Waves (1 Round) without join spectators
Reward: 100,000 UpgradePoints

11) Complete '(10)' and 'Simply the Best'. Have the biggest score after Wave 20 for 50 times in total. Don't join spectators


Helga Hater II
Complete 'Helga Hater I'. Kill 25 Helgas. Progress will full reset, if you die
Reward: 150 Coins, 1,500,000 UpgradePoints, 5 SkillPoints